Phase Diagramof the Li4GeS4-Li3PS4 Quasi-Binary System Containing the Superionic Conductor Li10GeP2S12

被引：65

作者：

Hori, Satoshi ^{[1
]}

Kato, Masahiko ^{[1
]}

Suzuki, Kota ^{[1
]}

Hirayama, Masaaki ^{[1
]}

Kato, Yuki ^{[2
]}

Kanno, Ryoji ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan

[2] TOYOTA MOTOR EUROPE NV SA, Battery AT, Adv Technol 1, B-1930 Zaventem, Belgium

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 10期

关键词：

LITHIUM IONIC CONDUCTOR; CRYSTAL-STRUCTURE; THIO-LISICON; BATTERY; LI; DYNAMICS; SI;

D O I：

10.1111/jace.13694

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A phase diagram is constructed for the quasi-binary Li4GeS4-Li3PS4 system containing the lithium superionic conductor Li10GeP2S12 (LGPS), having an LGPS-type structure, and the -Li3PS4-type phase, having a thio-LISICON structure. The LGPS and thio-LISICON intermediate compounds are found to exhibit solid solution ranges and show incongruent melting at 650 degrees C and 560 degrees C, respectively. The end-member Li4GeS4 has a compositional range of 0<k<0.3 in [(1-k) Li4GeS4+k Li3PS4], while the other end-member -Li3PS4 has no solid solution range. The crystal structures appearing in the binary systems are the -, -, and -type Li3PS4 structures and the LGPS-type structure, and these are formed by PS4 tetrahedra with different arrangements in each structure. The phase and structural relationships between the compounds appearing in the Li4GeS4-Li3PS4 system are thus clarified.

引用

页码：3352 / 3360

页数：9

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